Plizio Visual Lab

Nam Theun 2 Hydropower Plant

Plizio editorial teamData Sources
energy
—°
Nam Theun 2 Hydropower Plant (Laos)

Weather…

The Nam Theun 2 Hydropower Plant is the largest and most ambitious infrastructure project in the history of Laos. Located across Khammouane and Bolikhamsai provinces, it harnesses the water of the Nam Theun River, a tributary of the Mekong, dammed on the Nakai Plateau. With an installed capacity of 1,075 megawatts, the facility has been fully operational since April 2010, exporting approximately 95% of its power to Thailand. The project was realized with significant backing from the World Bank and international investors, often cited as a benchmark for sustainable hydropower due to its rigorous social and environmental safeguards. The construction created a massive reservoir covering 450 square kilometers, which required the resettlement of over 6,000 residents and the implementation of extensive forest protection programs. Revenues from the plant are legally mandated to fund poverty reduction programs and national health and education initiatives within Laos. While it has faced criticism regarding its impact on the downstream ecosystems of the Nam Theun and Xe Bang Fai rivers, it remains a cornerstone of the nation's strategy to become the 'battery of Southeast Asia.'

Best time to visit & climate

The most pleasant time to visit is Jan, Feb, Dec.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °C202226282827262625242219
Rain mm91545661712033353342361192313

📋 Practical info

🏭
What is this place?
This massive hydropower project on the Nam Theun River is one of Laos's largest energy infrastructure developments, fundamentally altering the local geography to export electricity to neighboring Thailand.
🚪
Visiting
Access to the inner workings of the power plant is generally restricted for security and operational reasons, meaning travelers typically experience the facility through external observation of the dam structure.
👀
Where to view it
The sheer scale of the dam and its immense reservoir can be best appreciated from designated public viewing areas along the surrounding mountain roads, which offer panoramic perspectives of the transformed valley.
🧺
Local products
In the resettlement villages and local markets around the reservoir area, visitors might encounter regional freshwater fish catches, traditional Lao textiles, and basic agricultural goods produced by the affected communities.
📆
Active season
The massive water discharge and related river activity are most visibly dramatic during and immediately after the region's typical rainy season, when the water levels in the vast reservoir reach their highest peak.
Nearby
A tour of this engineering marvel pairs well with explorations of the Nakai-Nam Theun National Biodiversity Conservation Area, where travelers can experience the natural ecosystems that contrast with the industrial dam.

Geography

Coordinates
17.65000, 104.98330

Facts

  • Installed capacity is 1,075 megawatts
  • Fully operational since April of the year 2010
  • Reservoir surface area is approx 450 km2
  • Major project co-funded by the World Bank
  • Water is diverted to the Xe Bang Fai River basin
  • Exports 95% of generated electricity to Thailand

Explore nearby

Notable places around

Route planner — Car & Motorhome

Where do you start? We build the route here, with stops and country notes along the way.

Vehicle
Only stops with (optional):

© OpenStreetMap contributors · OpenRouteService

Sights nearby

Frequently asked questions

What is the Nam Theun 2 power plant?
It is one of the largest hydroelectric projects in Laos, primarily exporting electricity to Thailand.
Can you visit the power plant?
There is a visitor center in Gnommalath that provides information about the project.
What impacts did the dam have?
It created a massive reservoir on the Nakai Plateau and changed the local ecology.
Where is the project located?
In the Khammouane and Bolikhamxay provinces of central Laos.
Is the reservoir accessible to tourists?
Yes, you can take boat trips on the lake to see the 'sunken forests'.
Nam Theun 2 Hydropower Plant: where is it located?
Nam Theun 2 Hydropower Plant is located in Laos.
Nam Theun 2 Hydropower Plant: when is the best time to visit?
The most pleasant time to visit is Jan, Feb, Dec.
Nam Theun 2 Hydropower Plant: why is it worth visiting?
The Nam Theun 2 Hydropower Plant is the largest and most ambitious infrastructure project in the history of Laos.
View on map → The Top 50 Attractions → OpenStreetMap →
Asia
Explore with Plizio Discover more places in Asia
More places in Laos →

Nearby cities

History & landmarks

Nature

More places